Multiple Choice Questions

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Theory of continuity of germplasm was propounded by

  • Mendel

  • Lamarck

  • Weismann

  • Haeckel


C.

Weismann

Theory of continuity of germplasm was proposed by August Weismann (1892), a German Biologist, he suggested that the changes occurring in germplasm are inherited by offsprings, whereas in somatoplasm are not transmitted to next generation.


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Match the following and select the correct option.

List I List II
A. Cyclostomes 1. Hemichordata
B. Ayes 2. Urochordata
C. Tunicates 3. Agantha
D. Balanoglossus 4. Pisces
E. Osteichthyes 5. Tetrapod

  • A B C D E
    3 5 2 1 4
  • A B C D E
    3 1 5 2 4
  • A B C D E
    1 2 3 4 5
  • A B C D E
    2 3 4 1 5

Ichthyology is study of

  • Aves

  • Amphibians

  • Reptiles

  • Fishes


Select incorrect pair

  • Porifera – Choanocytes

  • Coelenterata – Nematocysts

  • Annelida – Segmentation

  • Monera – Eukaryote


Branch of zoology dealing with the study of fishes is called

  • Arthrology

  • Ichthyology

  • Saurology

  • Herpetology


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Correctly matched set of phylum, class and example is

  • Protozoa-Mastigophora-Entamoeba

  • Mollusca=-Bivalvia-c-Pmcrcdc

  • Arthropoda-Diplopoda-Scolopendra

  • Chordata-Cyclostomata-Phrynosoma


The most primitive vertebrates are

  • Ostracoderms

  • Cephalochordates

  • Placoderms

  • Cyclostomes


Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of

  • Annelida

  • Arthropoda

  • Mollusca

  • Echinodermata


Chondrichthyes is characterised by

  • Placoid scale

  • Placoid scale and ventral mouth

  • Ventral mouth

  • Ctenoid scale and ventral mouth


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Which of the following cells in earthworm play a role similar to liver in vertebrates?

  • Amoebocytes

  • Mucocytes

  • Chloragogen cells

  • Epidermal cells


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